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Finding the Fourth Proportional to 384,040.17, 575,813.61 and 159,555.69

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Solution

The fourth proportional to 384,040.17, 575,813.61 and 159,555.69 is: 239,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,040.17 : 575,813.61 = 159,555.69 : x
  2. Step 2: Convert to fraction form
    384,040.17/575,813.61 = 159,555.69/x
  3. Step 3: Cross multiply
    384,040.17x = 575,813.61 × 159,555.69
  4. Step 4: Simplify right side
    384,040.17x = 91,874,337,854.94
  5. Step 5: Solve for x
    x = 91,874,337,854.94/384,040.17
  6. Step 6: Final answer
    x = 239,231.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.